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DIAGNOSIS TSB Revision ACTIVE SKID CONTROL SYSTEM (ASC) 35C-151 CAUTION • If there is any problem in the CAN bus lines, an incor- rect diagnostic trouble code may be set. Prior to this • Whenever the ECU is replaced, ensure that the CAN bus lines are normal. • When the hydraulic unit (integrated with ASC-ECU) is replaced, always perform the calibration of steering .) . CIRCUIT OPERATION • ASC-ECU contains the power supply circuit (terminal No. 32) for the solenoid valve. The solenoid valve is energized • ASC-ECU contains the power supply circuit (terminal No. 2) for ASC-ECU, and the power is supplied from the fusible • The valve relay in ASC-ECU is energized at all times, and the solenoid valve is always energized while the system is . DTC SET CONDITIONS This diagnostic trouble code is set when the ASC-ECU power ± 1.0 V or higher. . PROBABLE CAUSES • Battery failure • Battery terminal looseness • Fusible link malfunction • Damaged wiring harness and connectors • ASC-ECU malfunction • Charging system failed DIAGNOSIS Required Special Tools: • MB991958 Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827 M.U.T.-III USB Cable • MB991910 M.U.T.-III Main Harness A • MB991997: ASC check harness |